LYGIA Shader Library

specular (lygia/lighting/specular)

Calculate specular contribution

Dependencies:

Use:

specular(<vec3> L, <vec3> N, <vec3> V, <float> roughness[, <float> fresnel])
specular(<vec3> L, <vec3> N, <vec3> V, <float> NoV, <float> NoL, <float> roughness, <float> fresnel)

Check it on Github



#ifndef SPECULAR_FNC
#if defined(TARGET_MOBILE) || defined(PLATFORM_RPI) || defined(PLATFORM_WEBGL)
#define SPECULAR_FNC specularBlinnPhongRoughnes
#else
#define SPECULAR_FNC specularCookTorrance
#endif  
#endif

#ifndef FNC_SPECULAR
#define FNC_SPECULAR
float specular(const in vec3 L, const in vec3 N, const in vec3 V, const in float roughness) { return SPECULAR_FNC(L, N, V, roughness); }
float specular(const in vec3 L, const in vec3 N, const in vec3 V, const in float roughness, const in float fresnel) { return SPECULAR_FNC(L, N, V, roughness, fresnel); }
float specular(const in vec3 L, const in vec3 N, const in vec3 V, const in float NoV, const in float NoL, const in float roughness, const in float fresnel) { return SPECULAR_FNC(L, N, V, NoV, NoL, roughness, fresnel); }
#endif

Dependencies:

Use:

specular(<float3> L, <float3> N, <float3> V, <float> roughness[, <float> fresnel])
specular(<float3> L, <float3> N, <float3> V, <float> NoV, <float> NoL, <float> roughness, <float> fresnel)

Check it on Github



#ifndef SPECULAR_FNC
#if defined(TARGET_MOBILE) || defined(PLATFORM_RPI) || defined(PLATFORM_WEBGL)
#define SPECULAR_FNC specularBlinnPhongRoughnes
#else
#define SPECULAR_FNC specularCookTorrance
#endif  
#endif

#ifndef FNC_SPECULAR
#define FNC_SPECULAR
float specular(float3 L, float3 N, float3 V, float roughness) { return SPECULAR_FNC(L, N, V, roughness); }
float specular(float3 L, float3 N, float3 V, float roughness, float fresnel) { return SPECULAR_FNC(L, N, V, roughness, fresnel); }
float specular(float3 L, float3 N, float3 V, float NoV, float NoL, float roughness, float fresnel) { return SPECULAR_FNC(L, N, V, NoV, NoL, roughness, fresnel); }
#endif

Licenses

LYGIA is dual-licensed under the Prosperity License and the Patron License for sponsors and contributors.

Sponsors and contributors are automatically added to the Patron License and they can ignore the any non-commercial rule of the Prosperity Licensed software (please take a look to the exception).

It's also possible to get a permanent comercial license hook to a single and specific version of LYGIA.

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